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If (X + 2) is a …

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If (X + 2) is a factor of x2 + mx + 14 , then find the value of m.

    • Posted by Janhavi Singh 5 years, 3 months ago

    CBSE > Class 09 > Mathematics
    • 3 answers

    Sumedh Joshi 5 years, 3 months ago

    x+2=0 x=-2 -2*2+(-2)*m+14=0 -4-2m+14=0 -4+14-2m=0 10-2m=0 -2m=-10 m=-10/-2 m=10/2 m=5

    1Thank You

    Harshwardhan Singh 5 years, 3 months ago

    No it is not write ✍️answer

    0Thank You

    Yogita Ingle 5 years, 3 months ago

    If (X + 2) is a factor of x2 + mx + 14

    Put x = -2

    x2 + mx + 14 = 0
    (-2)2 + m(-2) + 14 = 0
    4 - 2m + 14 = 0

    -2m + 18 =0 
    -2m = -18
    m = 18/2 = 9

    3Thank You

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